SPS 10C

How many protons are in this element?

• 79

• 196

• 117

• Cannot be determined

Tags

NGSS.MS-PS1-1

What's a valence electron?

• electrons in the second energy level

• electrons in the outermost energy level

• the atomic number

• electrons in the first level

Tags

NGSS.MS-PS1-1

The horizontal row on the periodic table is called a

• group

• family

• period

• atomic number

This class of elements are sometimes called "semiconductors."

• Metals

• Nonmetals

• Metalloids

• Groups

Tags

NGSS.MS-PS1-1

The atomic number tells you what?

• number of electrons

• number of protons

• number of neutrons

• both electrons and protons in an atom.

Most of the chemical elements on the periodic table are

• Metalloids

• Metals

• Nonmetals

Tags

NGSS.MS-PS1-1

Which row describes the reactivity and the electronic structure of a noble gas?

• A

• B

• C

• D

Each column in the periodic table is called a 

• period

• group

• cluster

• unit

Elements which are shiny, conduct electricity and heat are called

• metal

• nonmetal

• metalloid

• nonexistent

What does the 1.00794 stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

Tags

NGSS.HS-PS1-1